From 3c65fba539e5932c8ac5129b54bae657b33278d9 Mon Sep 17 00:00:00 2001
From: Fabio Bas <ctrlaltca@gmail.com>
Date: Thu, 29 Jan 2015 09:54:48 +0100
Subject: [PATCH] Avoid double locking of sessions, users table

QSqlQuery already executes not-empty queries, no need to call exec()
---
 servatrice/src/servatrice_database_interface.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/servatrice/src/servatrice_database_interface.cpp b/servatrice/src/servatrice_database_interface.cpp
index 55f9bf61..1bd006f7 100644
--- a/servatrice/src/servatrice_database_interface.cpp
+++ b/servatrice/src/servatrice_database_interface.cpp
@@ -330,12 +330,12 @@ void Servatrice_DatabaseInterface::clearSessionTables()
 
 void Servatrice_DatabaseInterface::lockSessionTables()
 {
-	QSqlQuery("lock tables " + server->getDbPrefix() + "_sessions write, " + server->getDbPrefix() + "_users read", sqlDatabase).exec();
+	QSqlQuery("lock tables " + server->getDbPrefix() + "_sessions write, " + server->getDbPrefix() + "_users read", sqlDatabase);
 }
 
 void Servatrice_DatabaseInterface::unlockSessionTables()
 {
-	QSqlQuery("unlock tables", sqlDatabase).exec();
+	QSqlQuery("unlock tables", sqlDatabase);
 }
 
 bool Servatrice_DatabaseInterface::userSessionExists(const QString &userName)